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Yang P, He S, Ye L, Weng H. Transcription Factor ETV4 Activates AURKA to Promote PD-L1 Expression and Mediate Immune Escape in Lung Adenocarcinoma. Int Arch Allergy Immunol 2024:1-11. [PMID: 38781935 DOI: 10.1159/000537754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 01/05/2024] [Indexed: 05/25/2024] Open
Abstract
INTRODUCTION The occurrence and progression of lung adenocarcinoma (LUAD) impair T-cell immune responses, causing immune escape and subsequently affecting the efficacy of immunotherapy in patients. Aurora kinase A (AURKA) is upregulated in varying cancers, but its role in LUAD immune escape is elusive. This work attempted to explore molecular mechanisms of AURKA regulation in LUAD immune escape. METHODS Through bioinformatics analysis, AURKA level in LUAD was evaluated, and potential upstream transcription factors of AURKA were predicted using hTFtarget. ETS variant transcription factor 4 (ETV4) expression in LUAD was analyzed through The Cancer Genome Atlas. Pearson's correlation analysis was then utilized to test the correlation between AURKA and ETV4. Interaction and binding between AURKA and ETV4 were validated through dual-luciferase assay and chromatin immunoprecipitation. Quantitative reverse transcription-polymerase chain reaction (qRT-PCR) tested relative mRNA expression of AURKA and ETV4 in LUAD cells, cell counting kit-8 assayed cell viability, and Western blot analysis was conducted to determine the protein level of programmed death-ligand 1 (PD-L1). Coculture of LUAD cells with activated CD8+ T cells was carried out, and an LDH assay was used to assess the cytotoxicity of CD8+ T cells against LUAD cells. Interferon-γ (IFN-γ), interleukin-2 (IL-2), and tumor necrosis factor-α (TNF-α) levels in the coculture system were assessed by enzyme-linked immunosorbent assay (ELISA). Western blot assessed protein levels of JAK2, p-JAK2, STAT3, and p-STAT3. RESULTS Compared to normal tissues, AURKA and ETV4 were upregulated in tumor tissues, and AURKA presented a negative association with CD8+ T-cell immune infiltration but a positive association with PD-L1. qRT-PCR unveiled significantly upregulated mRNA of AURKA and ETV4 in LUAD cells compared to normal lung epithelial cells. Knockdown of AURKA significantly decreased cell viability and PD-L1 protein level in LUAD cells, enhanced cytotoxicity of CD8+ T cells against LUAD cells and IFN-γ, IL-2, and TNF-α expression, while overexpression of AURKA yielded opposite results. Furthermore, the knockdown of ETV4 could reverse the oncogenic characteristics of cells caused by AURKA overexpression. CONCLUSION Our study illustrated that ETV4/AURKA axis promoted PD-L1 expression, suppressed CD8+ T-cell activity, and mediated immune escape in LUAD by regulating the JAK2/STAT3 signaling pathway.
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Affiliation(s)
- Ping Yang
- Department of Respiratory and Critical Care Medicine, People's Hospital of Fujian Province, Fuzhou, China
| | - Shangxiang He
- Department of Medical Oncology, Shanghai Artemed Hospital, Shanghai, China
| | - Ling Ye
- Department of Respiratory and Critical Care Medicine, People's Hospital of Fujian Province, Fuzhou, China
| | - Heng Weng
- Department of Respiratory and Critical Care Medicine, People's Hospital of Fujian Province, Fuzhou, China
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Jubelin C, Muñoz-Garcia J, Ollivier E, Cochonneau D, Vallette F, Heymann MF, Oliver L, Heymann D. Identification of MCM4 and PRKDC as new regulators of osteosarcoma cell dormancy based on 3D cell cultures. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119660. [PMID: 38216092 DOI: 10.1016/j.bbamcr.2024.119660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 12/15/2023] [Accepted: 01/03/2024] [Indexed: 01/14/2024]
Abstract
Dormancy is a potential way for tumors to develop drug resistance and escape treatment. However, the mechanisms involved in cancer dormancy remain poorly understood. This is mainly because there is no in vitro culture model making it possible to spontaneously induce dormancy. In this context, the present work proposes the use of three-dimensional (3D) spheroids developed from osteosarcoma cell lines as a relevant model for studying cancer dormancy. MNNG-HOS, SaOS-2, 143B, MG-63, U2OS and SJSA-1 cell lines were cultured in 3D using the Liquid Overlay Technique (LOT). Dormancy was studied by staining cancer cells with a lipophilic dye (DiD), and long-term DiD+ cells were considered as dormant cancer cells. The role of the extracellular matrix in inducing dormancy was investigated by embedding cells into methylcellulose or Geltrex™. Gene expression of DiD+ cells was assessed with a Nanostring™ approach and the role of the genes detected in dormancy was validated by a transient down-expression model using siRNA treatment. Proliferation was measured using fluorescence microscopy and the xCELLigence technology. We observed that MNNG-HOS, 143B and MG-G3 cell lines had a reduced proliferation rate in 3D compared to 2D. U2OS cells had an increased proliferation rate when they were cultured in Geltrex™ compared to other 3D culture methods. Using 3D cultures, a transcriptomic signature of dormancy was obtained and showed a decreased expression of 18 genes including ETV4, HELLS, ITGA6, MCM4, PRKDC, RAD21 and UBE2T. The treatment with siRNA targeting these genes showed that cancer cell proliferation was reduced when the expression of ETV4 and MCM4 were decreased, whereas proliferation was increased when the expression of RAD21 was decreased. 3D culture facilitates the maintenance of dormant cancer cells characterized by a reduced proliferation and less differential gene expression as compared to proliferative cells. Further studies of the genes involved has enabled us to envisage their role in regulating cell proliferation.
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Affiliation(s)
- Camille Jubelin
- Nantes Université, CNRS, US2B, UMR 6286, 44000 Nantes, France; Institut de Cancérologie de l'Ouest, Tumor Heterogeneity and Precision Medicine Lab., 44805 Saint-Herblain, France; Atlantic Bone Screen, 44800 Saint-Herblain, France
| | - Javier Muñoz-Garcia
- Nantes Université, CNRS, US2B, UMR 6286, 44000 Nantes, France; Institut de Cancérologie de l'Ouest, Tumor Heterogeneity and Precision Medicine Lab., 44805 Saint-Herblain, France
| | - Emilie Ollivier
- Institut de Cancérologie de l'Ouest, Tumor Heterogeneity and Precision Medicine Lab., 44805 Saint-Herblain, France
| | - Denis Cochonneau
- Institut de Cancérologie de l'Ouest, Tumor Heterogeneity and Precision Medicine Lab., 44805 Saint-Herblain, France
| | - François Vallette
- Institut de Cancérologie de l'Ouest, Tumor Heterogeneity and Precision Medicine Lab., 44805 Saint-Herblain, France; Nantes Université, INSERM, CRCI(2)NA, UMR1307, 44000 Nantes, France
| | - Marie-Françoise Heymann
- Nantes Université, CNRS, US2B, UMR 6286, 44000 Nantes, France; Institut de Cancérologie de l'Ouest, Tumor Heterogeneity and Precision Medicine Lab., 44805 Saint-Herblain, France
| | - Lisa Oliver
- Nantes Université, INSERM, CRCI(2)NA, UMR1307, 44000 Nantes, France; CHU de Nantes, Nantes, France
| | - Dominique Heymann
- Nantes Université, CNRS, US2B, UMR 6286, 44000 Nantes, France; Institut de Cancérologie de l'Ouest, Tumor Heterogeneity and Precision Medicine Lab., 44805 Saint-Herblain, France; Department of Oncology and Metabolism, Medical School, University of Sheffield, Sheffield, UK.
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Zhou Z, Wu B, Chen J, Shen Y, Wang J, Chen X, Fei F, Li L. ETV4 facilitates proliferation, migration, and invasion of liver cancer by mediating TGF-β signal transduction through activation of B3GNT3. Genes Genomics 2023; 45:1433-1443. [PMID: 37523127 DOI: 10.1007/s13258-023-01428-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 07/08/2023] [Indexed: 08/01/2023]
Abstract
BACKGROUND Metastasis of liver cancer (LC) is the main cause of its high mortality. ETV4 is a critical regulatory factor in promoting LC progression, but the mechanism that ETV4 impacts LC proliferation, migration, and invasion is poorly understood. OBJECTIVE Investigation of the molecular mechanism of LC metastasis is conducive to developing effective drugs that prevent LC metastasis. METHODS Expression of ETV4 and its target gene B3GNT3 in LC tissue was analyzed by bioinformatics, and the result was further verified in LC cells by qRT-PCR. In vitro cellular assays evaluated the impact of ETV4 on the proliferation, migration, and invasion of LC cells. Chromatin immunoprecipitation (ChIP) and dual-luciferase reporter gene assay were conducted to analyze the interaction between B3GNT3 and ETV4. SB525334 suppressor was used to treat and access the activation of ETV4 on the TGF-β pathway. RESULTS We discovered that ETV4 and B3GNT3 were evidently up-regulated in LC, and high expression of ETV4 was coupled to the increase of proliferation, migration, and invasion of LC cells and epithelial-mesenchymal transition ability. Besides, ETV4 could bind to the B3GNT3 promoter and activate its transcription. Knockdown of B3GNT3 could prominently suppress the effect of up-regulated ETV4 on LC cells. Meanwhile, ETV4 could activate the TGF-β signaling pathway via B3GNT3, while SB525334 treatment notably repressed the functions of ETV4. CONCLUSION ETV4 emerges as a driven oncogene in LC, and the ETV4/B3GNT3-TGF-β pathway promotes proliferation, migration, invasion, and epithelial-mesenchymal transition progress of LC. Inhibition of the pathway may provide an underlying method for the prevention and treatment of LC metastasis.
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Affiliation(s)
- Zhongcheng Zhou
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Jiaxing University, 1518 Huancheng North Road, Jiaxing, 314000, Zhejiang Province, China
| | - Bin Wu
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Jiaxing University, 1518 Huancheng North Road, Jiaxing, 314000, Zhejiang Province, China
| | - Jing Chen
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Jiaxing University, 1518 Huancheng North Road, Jiaxing, 314000, Zhejiang Province, China
| | - Yiyu Shen
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Jiaxing University, 1518 Huancheng North Road, Jiaxing, 314000, Zhejiang Province, China
| | - Jing Wang
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Jiaxing University, 1518 Huancheng North Road, Jiaxing, 314000, Zhejiang Province, China
| | - Xujian Chen
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Jiaxing University, 1518 Huancheng North Road, Jiaxing, 314000, Zhejiang Province, China
| | - Faming Fei
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Jiaxing University, 1518 Huancheng North Road, Jiaxing, 314000, Zhejiang Province, China
| | - Liang Li
- Department of Hepatobiliary and Pancreatic Surgery, The First Hospital of Jiaxing, Affiliated Hospital of Jiaxing University, No 1882 Zhonghuan south road, Jiaxing, 314000, Zhejiang Province, China.
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Li B, Chen H, Yang S, Chen F, Xu L, Li Y, Li M, Zhu C, Shao F, Zhang X, Deng C, Zeng L, He Y, Zhang C. Advances in immunology and immunotherapy for mesenchymal gastrointestinal cancers. Mol Cancer 2023; 22:71. [PMID: 37072770 PMCID: PMC10111719 DOI: 10.1186/s12943-023-01770-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 03/29/2023] [Indexed: 04/20/2023] Open
Abstract
Mesenchymal gastrointestinal cancers are represented by the gastrointestinal stromal tumors (GISTs) which occur throughout the whole gastrointestinal tract, and affect human health and economy globally. Curative surgical resections and tyrosine kinase inhibitors (TKIs) are the main managements for localized GISTs and recurrent/metastatic GISTs, respectively. Despite multi-lines of TKIs treatments prolonged the survival time of recurrent/metastatic GISTs by delaying the relapse and metastasis of the tumor, drug resistance developed quickly and inevitably, and became the huge obstacle for stopping disease progression. Immunotherapy, which is typically represented by immune checkpoint inhibitors (ICIs), has achieved great success in several solid tumors by reactivating the host immune system, and been proposed as an alternative choice for GIST treatment. Substantial efforts have been devoted to the research of immunology and immunotherapy for GIST, and great achievements have been made. Generally, the intratumoral immune cell level and the immune-related gene expressions are influenced by metastasis status, anatomical locations, driver gene mutations of the tumor, and modulated by imatinib therapy. Systemic inflammatory biomarkers are regarded as prognostic indicators of GIST and closely associated with its clinicopathological features. The efficacy of immunotherapy strategies for GIST has been widely explored in pre-clinical cell and mouse models and clinical experiments in human, and some patients did benefit from ICIs. This review comprehensively summarizes the up-to-date advancements of immunology, immunotherapy and research models for GIST, and provides new insights and perspectives for future studies.
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Affiliation(s)
- Bo Li
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, 518107, Guangdong, China
| | - Hui Chen
- Shenzhen Key Laboratory of Chinese Medicine Active Substance Screening and Translational Research, Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, 518107, Guangdong, China
| | - Shaohua Yang
- Guangdong-Hong Kong-Macau University Joint Laboratory of Digestive Cancer Research, Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, 518107, Guangdong, China
| | - Feng Chen
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, 518107, Guangdong, China
| | - Liangliang Xu
- Shenzhen Key Laboratory for Drug Addiction and Medication Safety, Department of Ultrasound, Peking University Shenzhen Hospital, Shenzhen, 518036, China
| | - Yan Li
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, 518107, Guangdong, China
| | - Mingzhe Li
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, 518107, Guangdong, China
| | - Chengming Zhu
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, 518107, Guangdong, China
| | - Fangyuan Shao
- MOE Frontiers Science Center for Precision Oncology, Faculty of Health Sciences, Institute of Translational Medicine, Cancer Center, University of Macau, Macau SAR, 999078, China
| | - Xinhua Zhang
- Department of Gastrointestinal Surgery, The First Affiliated Hospital of Sun Yat-Sen University, No. 58 Zhongshan Road, Guangzhou, 510080, China
| | - Chuxia Deng
- MOE Frontiers Science Center for Precision Oncology, Faculty of Health Sciences, Institute of Translational Medicine, Cancer Center, University of Macau, Macau SAR, 999078, China.
| | - Leli Zeng
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, 518107, Guangdong, China.
| | - Yulong He
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, 518107, Guangdong, China.
| | - Changhua Zhang
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Digestive Diseases Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, 518107, Guangdong, China.
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Shia DW, Choi W, Vijayaraj P, Vuong V, Sandlin JM, Lu MM, Aziz A, Marin C, Aros CJ, Sen C, Durra A, Lund AJ, Purkayastha A, Rickabaugh TM, Graeber TG, Gomperts BN. Targeting PEA3 transcription factors to mitigate small cell lung cancer progression. Oncogene 2023; 42:434-448. [PMID: 36509998 PMCID: PMC9898033 DOI: 10.1038/s41388-022-02558-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 11/16/2022] [Accepted: 11/21/2022] [Indexed: 12/15/2022]
Abstract
Small cell lung cancer (SCLC) remains a lethal disease with a dismal overall survival rate of 6% despite promising responses to upfront combination chemotherapy. The key drivers of such rapid mortality include early metastatic dissemination in the natural course of the disease and the near guaranteed emergence of chemoresistant disease. Here, we found that we could model the regression and relapse seen in clinical SCLC in vitro. We utilized time-course resolved RNA-sequencing to globally profile transcriptome changes as SCLC cells responded to a combination of cisplatin and etoposide-the standard-of-care in SCLC. Comparisons across time points demonstrated a distinct transient transcriptional state resembling embryonic diapause. Differential gene expression analysis revealed that expression of the PEA3 transcription factors ETV4 and ETV5 were transiently upregulated in the surviving fraction of cells which we determined to be necessary for efficient clonogenic expansion following chemotherapy. The FGFR-PEA3 signaling axis guided the identification of a pan-FGFR inhibitor demonstrating in vitro and in vivo efficacy in delaying progression following combination chemotherapy, observed inhibition of phosphorylation of the FGFR adaptor FRS2 and corresponding downstream MAPK and PI3K-Akt signaling pathways. Taken together, these data nominate PEA3 transcription factors as key mediators of relapse progression in SCLC and identify a clinically actionable small molecule candidate for delaying relapse of SCLC.
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Affiliation(s)
- David W Shia
- UCLA Children's Discovery and Innovation Institute, Mattel Children's Hospital UCLA, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
- Department of Molecular Biology Interdepartmental Program, University of California, Los Angeles, CA, 90095, USA
- UCLA Medical Scientist Training Program, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - WooSuk Choi
- UCLA Children's Discovery and Innovation Institute, Mattel Children's Hospital UCLA, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - Preethi Vijayaraj
- UCLA Children's Discovery and Innovation Institute, Mattel Children's Hospital UCLA, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - Valarie Vuong
- UCLA Children's Discovery and Innovation Institute, Mattel Children's Hospital UCLA, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - Jenna M Sandlin
- UCLA Children's Discovery and Innovation Institute, Mattel Children's Hospital UCLA, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - Michelle M Lu
- UCLA Children's Discovery and Innovation Institute, Mattel Children's Hospital UCLA, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - Adam Aziz
- UCLA Children's Discovery and Innovation Institute, Mattel Children's Hospital UCLA, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - Caliope Marin
- UCLA Children's Discovery and Innovation Institute, Mattel Children's Hospital UCLA, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - Cody J Aros
- UCLA Children's Discovery and Innovation Institute, Mattel Children's Hospital UCLA, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
- Department of Molecular Biology Interdepartmental Program, University of California, Los Angeles, CA, 90095, USA
- UCLA Medical Scientist Training Program, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - Chandani Sen
- UCLA Children's Discovery and Innovation Institute, Mattel Children's Hospital UCLA, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - Abdo Durra
- UCLA Children's Discovery and Innovation Institute, Mattel Children's Hospital UCLA, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - Andrew J Lund
- UCLA Children's Discovery and Innovation Institute, Mattel Children's Hospital UCLA, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
- Department of Molecular Biology Interdepartmental Program, University of California, Los Angeles, CA, 90095, USA
| | - Arunima Purkayastha
- UCLA Children's Discovery and Innovation Institute, Mattel Children's Hospital UCLA, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - Tammy M Rickabaugh
- UCLA Children's Discovery and Innovation Institute, Mattel Children's Hospital UCLA, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA
| | - Thomas G Graeber
- Department of Molecular and Medical Pharmacology, Crump Institute for Molecular Imaging, University of California, Los Angeles, CA, 90095, USA
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA, 90095, USA
- Eli and Edythe Broad Stem Cell Research Center, University of California, Los Angeles, CA, 90095, USA
| | - Brigitte N Gomperts
- UCLA Children's Discovery and Innovation Institute, Mattel Children's Hospital UCLA, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA.
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA, 90095, USA.
- Eli and Edythe Broad Stem Cell Research Center, University of California, Los Angeles, CA, 90095, USA.
- Division of Pulmonary and Critical Care Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA, 90095, USA.
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Mosaad H, Ahmed MM, Elaidy MM, Elfarargy OM, Abdelwahab MM, Abdelnour HM. Down-regulated MiRNA 29-b as a diagnostic marker in colorectal cancer and its correlation with ETV4 and Cyclin D1 immunohistochemical expression. Cancer Biomark 2023; 37:179-189. [PMID: 37248886 DOI: 10.3233/cbm-220349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
BACKGROUND Colorectal cancer (CRC) is the most common malignant tumor of the gastrointestinal tract with unfavorable prognosis. Therefore, novel biomarkers that may be used for new diagnostic strategies and drug-targeting therapy should be developed. OBJECTIVES To investigate the expression of miR-29b in CRC and its association with ETV4 and cyclin D1 expression. Moreover, the current work aims to investigate the association between them and the clinicopathological features of CRC. METHODS The expression of miR-29b and ETV4 (by qRT-PCR) and ETV4 and cyclin D1 (immunohistochemistry) was investigated in 65 cases of colon cancer and surrounding healthy tissues. RESULTS MiR-29b down-regulated and ETV4 and Cyclin D1 up-regulated significantly in colon cancer tissues compared to normal nearby colonic tissues. In addition, significant associations between ETV4 and cyclin D1 expressions and progressive stage and lymph node (LN) metastasis (P< 0.001 for each) were found. Furthermore, there was a negative correlation between miR-29b gene expression and ETV4 gene expression (r=-0.298, P<0.016). CONCLUSION Down-regulation of miR-29b and over-expression of ETV4 and cyclin D1 may be utilized as early diagnostic marker for development of colon cancer. ETV4 and cyclin D1 correlate with poor prognostic indicators and considered as a possible target for therapy in colon cancer.
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Affiliation(s)
- Hala Mosaad
- Department of Biochemistry, Faculty of Medicine Zagazig University, Egypt
| | | | - Mostafa M Elaidy
- Department of General Surgery, Faculty of Medicine Zagazig University, Egypt
| | - Ola M Elfarargy
- Department of Medical Oncology, Faculty of Medicine Zagazig University, Egypt
| | | | - Hanim M Abdelnour
- Department of Biochemistry, Faculty of Medicine Zagazig University, Egypt
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Guo J, Feng S, Yu H, Ou B, Jiang D, Zhuang W, Ding C, Chen X, Zhang M, Ling Y, Zeng Y, Qiu H. Transcriptomic study of gastrointestinal stromal tumors with liver metastasis. Front Genet 2023; 14:1007135. [PMID: 36911388 PMCID: PMC9996342 DOI: 10.3389/fgene.2023.1007135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 02/10/2023] [Indexed: 02/25/2023] Open
Abstract
Introduction: GIST (gastrointestinal stromal tumor) is the most prominent mesenchymal neoplasms of the gastrointestinal tract, and liver is the most common metastasis site for GIST. The molecular mechanism leading to liver metastasis of GIST is currently unclear. Methods: With the goal of revealing the underlying mechanism, we performed whole-genome gene expression profiling on 18 pairs of RNA samples comprised of GIST tissues (with liver metastasis) and corresponding non-tumor tissues. After identifying differentially expressed gene, functional annotation and signal pathway analyses were conducted. GSE13861, datasets that compare GIST (without liver metastasis) with adjacent tissues, served as a comparison. Results: A total of 492 up-regulated genes and 629 down-regulated genes were identified as differentially expressed genes between liver metastasis tissues and non-tumor tissues. We characterized expression patterns of DEGs identified from our cohort and GSE13861 that show signatures of enrichment for functionality. In subsequent gene set enrichment analysis, differentially expressed genes were mainly enriched in Epithelial Mesenchymal Transition in both datasets. 493 genes were overlapped among our whole-genome gene expression profiling results and GSE13861, consisting 188 up-regulated genes and 305 down-regulated genes. By using CytoHubba plugin of Cytoscape, CDH1, CD34, KIT, PROM1, SOX9, FGF2, CD24, ALDH1A1, JAG1 and NES were identified as top ten hub genes in tumorigenesis and liver metastasis of GIST. higher expression levels of FGF2, JAG1, CD34, ALDH1A1 and the lower expression level of CDH1 were respectively associated with unfavorable overall survival. Meanwhile higher expression levels of CD34, FGF2, KIT, JAG1, ALDH1A were correlated with worse disease-free survival. Discussion: The present study may help to provide candidate pathways and targets for treatment of GIST and prevention methods to liver metastasis.
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Affiliation(s)
- Jianrong Guo
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Shoucheng Feng
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Hong Yu
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Biyi Ou
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Dan Jiang
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Wei Zhuang
- Department of Pharmacy, Women and Children's Hospital, School of Medicine, Xiamen University, Xiamen, Fujian, China
| | - Chao Ding
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Xiaojiang Chen
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Miaoquan Zhang
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Yudong Ling
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Yi Zeng
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Haibo Qiu
- Department of Gastric Surgery, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China
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Nabeta R, Katselis GS, Chumala P, Dickinson R, Fernandez NJ, Meachem MD. Identification of potential plasma protein biomarkers for feline pancreatic carcinoma by liquid chromatography tandem mass spectrometry. Vet Comp Oncol 2022; 20:720-731. [PMID: 35514180 DOI: 10.1111/vco.12826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 04/14/2022] [Accepted: 04/26/2022] [Indexed: 12/01/2022]
Abstract
In both humans and cats, pancreatic carcinoma is an aggressive cancer with a grave prognosis. Proteomics techniques have successfully identified several blood-based biomarkers of human pancreatic neoplasia. Thus, this study aims to investigate whether similar biomarkers can be identified in the plasma of cats with FePAC by using liquid chromatography tandem mass spectrometry (LC-MS/MS). To facilitate evaluation of the low abundance plasma proteome, a human-based immunodepletion device (MARS-2) was first validated for use with feline plasma. Marked reduction and/or complete removal of albumin and immunoglobulins was confirmed by analysis of electrophoretograms and mass spectral data. Subsequently, plasma collected from 9 cats with pancreatic carcinoma (FePAC), 10 cats with symptomatic pancreatitis, and 10 healthy control cats was immunodepleted and subjected to LC-MS/MS. Thirty-seven plasma proteins were found to be differentially expressed (p < .05 in one-way ANOVA, FC >2 in fold change analysis). Among these proteins, ETS variant transcription factor 4 (p < .05) was overexpressed, while gelsolin (p < .01), tryptophan 2,3-dioxygenase (p < .05), serpin family F member 1 (p < .01), apolipoprotein A-IV (p < .01) and phosphatidylinositol-glycan-specific phospholipase D (p < .05) were down-regulated in cats with FePAC. Further studies on these potential biomarkers are needed to investigate their diagnostic value.
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Affiliation(s)
- Rina Nabeta
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - George S Katselis
- Department of Medicine, Division of the Canadian Centre for Health and Safety in Agriculture, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Paulos Chumala
- Department of Medicine, Division of the Canadian Centre for Health and Safety in Agriculture, College of Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Ryan Dickinson
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Nicole J Fernandez
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Melissa D Meachem
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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Gao F, Wang J, Li C, Xie C, Su M, Zou C, Xie X, Zhao D. Risk-Related Genes and Associated Signaling Pathways of Gastrointestinal Stromal Tumors. Int J Gen Med 2022; 15:3839-3849. [PMID: 35431569 PMCID: PMC9005359 DOI: 10.2147/ijgm.s357224] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/28/2022] [Indexed: 12/27/2022] Open
Abstract
Purpose Knowledge on the potential association between differential gene expression and risk of gastrointestinal stromal tumors (GISTs) is currently limited. We used bioinformatics tools to identify differentially expressed genes in GIST samples and the related signaling pathways of these genes. Patients and Methods The GSE136755 dataset was obtained from the GEO database and differentially expressed genes (CENPA, CDK1, TPX2, CCNB1, CCNA2, BUB1, AURKA, KIF11, NDC80) were screened using String and Cytoscape bioinformatics tools. Then, three groups of eight patients at high, intermediate and low risk of GIST were selected from patients diagnosed with GIST by immunohistochemistry in our hospital from October 2020 to March 2021. Differential expression of CDK1 and BUB1 was verified by comparing the amount of expressed p21-Activated kinase 4 (PAK4) protein in pathological sections. Results SPSS26.0 analysis showed that the expression level of PAK4 in GISTs was significantly higher than in normal tissues and paratumoral tissues and there was significant difference among the three groups of patients (P < 0.01). PAK4 levels in paratumoral and normal tissues were negligible with no significant difference between the tissues. Conclusion CENPA, CDK1, TPX2, CCNB1, CCNA2, BUB1, AURKA, KIF11 and NDC80 gene expression can be used as biomarkers to assess the risk of gastrointestinal stromal tumors whereby expression increases gradually with the increased risk of GIST formation. The genes encode proteins that regulate the division, proliferation and apoptosis of gastrointestinal stromal tumors mainly through PI3K/AKT, MARK, P53, WNT and other signaling pathways.
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Affiliation(s)
- Fulai Gao
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, People’s Republic of China
- Department of Gastroenterology, The First Hospital of Qinhuangdao, Qinhuangdao, 066000, People’s Republic of China
| | - Jiaqi Wang
- Basic Medical College, Hebei Medical University, Shijiazhuang, 050000, People’s Republic of China
| | - Changjuan Li
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, People’s Republic of China
| | - Changshun Xie
- Department of Gastroenterology, The First Hospital of Qinhuangdao, Qinhuangdao, 066000, People’s Republic of China
| | - Miao Su
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, People’s Republic of China
| | - Chunyan Zou
- Department of Gastroenterology, The First Hospital of Qinhuangdao, Qinhuangdao, 066000, People’s Republic of China
| | - Xiaoli Xie
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, People’s Republic of China
| | - Dongqiang Zhao
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Shijiazhuang, 050000, People’s Republic of China
- Correspondence: Dongqiang Zhao, Department of Gastroenterology, The Second Hospital of Hebei Medical University, No. 215, He Ping West Road, Xinhua District, Shijiazhuang, 050000, People’s Republic of China, Tel +86 0311 66636179, Email
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Jiang W, Xu Y, Chen X, Pan S, Zhu X. E26 transformation-specific variant 4 as a tumor promotor in human cancers through specific molecular mechanisms. Mol Ther Oncolytics 2021; 22:518-527. [PMID: 34553037 PMCID: PMC8433062 DOI: 10.1016/j.omto.2021.07.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
E26 transformation-specific (ETS) variant 4 (ETV4) is an important transcription factor that belongs to the ETS transcription factor family and is essential for much cellular physiology. Recent evidence has revealed that ETV4 is aberrantly expressed in many types of tumors, and its overexpression is related to poor prognosis of cancer patients. Additionally, increasing studies have identified that ETV4 promotes cancer growth, invasion, metastasis, and drug resistance. Mechanistically, the level of ETV4 is regulated by some post-translation modulations in a broad spectrum of cancers. However, little progress has been made to comprehensively summarize the critical roles of ETV4 in different human cancers. Hence, this review mainly focuses on the physiological functions of ETV4 in various human tumors. In addition, the molecular mechanisms of ETV4-mediated cancer progression were elucidated, including how ETV4 modulates its downstream signaling pathways and how ETV4 is regulated by some factors. On this basis, the present review may provide a valuable therapeutics strategy for future cancer treatment by targeting ETV4-related pathways.
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Affiliation(s)
- Wenxiao Jiang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou 325027, China
| | - Yichi Xu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou 325027, China
| | - Xin Chen
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou 325027, China
| | - Shuya Pan
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou 325027, China
| | - Xueqiong Zhu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou 325027, China
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11
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Sun T, Zhang J. ETV4 mediates the wnt/β-catenin pathway through transcriptional activation of ANXA2 to promote hepatitis B virus-associated liver hepatocellular carcinoma progression. J Biochem 2021; 170:663-673. [PMID: 34347084 DOI: 10.1093/jb/mvab088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 07/28/2021] [Indexed: 11/13/2022] Open
Abstract
ETS variant 4 (ETV4) has been implicated in the development of various cancers. However, the molecular events mediated by ETV4 in liver cancer are poorly understood, especially in Hepatitis B virus (HBV)-associated liver hepatocellular carcinoma (LIHC). Here, we aimed to identify the target involved in ETV4-driven hepatocarcinogenesis. Bioinformatics analysis revealed that ETV4 was highly expressed in patients with HBV-associated LIHC, and HBV infection promoted the expression of ETV4 in LIHC cells. Inhibition of ETV4 repressed the proliferation, migration, invasion of LIHC cells and suppressed the secretion of HBV and the replication of HBV DNA. ANXA2 expression in LIHC patients was positively correlated with ETV4 expression. ChIP and dual-luciferase reporter assays revealed that ETV4 elevated the ANXA2 expression at the transcriptional level by binding to the ANXA2 promoter. Overexpression of ANXA2 reversed the inhibitory effect of sh-ETV4 on the malignant biological behaviors of HBV-infected LIHC cells by activating the Wnt/β-catenin pathway. In conclusion, ETV4 mediates the activation of Wnt/β-catenin pathway through transcriptional activation of ANXA2 expression to promote HBV-associated LIHC progression.
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Affiliation(s)
- Tianfeng Sun
- Department of Liver Disease Infection, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, 215101, Jiangsu, P.R. China
| | - Jing Zhang
- Department Of Respiratory, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, 215101, Jiangsu, P.R. China
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Liu W, Zhan Z, Zhang M, Sun B, Shi Q, Luo F, Zhang M, Zhang W, Hou Y, Xiao X, Li Y, Feng H. KAT6A, a novel regulator of β-catenin, promotes tumorigenicity and chemoresistance in ovarian cancer by acetylating COP1. Theranostics 2021; 11:6278-6292. [PMID: 33995658 PMCID: PMC8120227 DOI: 10.7150/thno.57455] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 03/29/2021] [Indexed: 12/20/2022] Open
Abstract
Background: Ovarian cancer is a fatal gynecologic malignancy that is found worldwide and exhibits an insidious onset and a lack of early warning symptoms. Despite ongoing studies, the mechanistic basis of the aggressive phenotypes of ovarian cancer remains unclear. Lysine acetyltransferase 6A (KAT6A) is a MYST-type histone acetyltransferase (HAT) enzyme identified as an oncogene in breast cancer, glioblastoma and leukemia. However, the specific functions of KAT6A in ovarian cancer remain unclear. Methods: Immunohistochemistry (IHC) staining and western blotting were performed to characterize KAT6A protein expression in ovarian cancer tissues and cell lines. The biological functions of KAT6A in ovarian cancer were evaluated by cell proliferation, wound healing and transwell invasion assays in vitro. Tumorigenesis and metastasis assays were performed in nude mice to detect the role of KAT6A in vivo. Mass spectrometry and immunoprecipitation assays were performed to detect the KAT6A-COP1 interaction. An in vivo ubiquitination assay was performed to determine the regulation of β-catenin by KAT6A. Results: In the present study, we revealed that KAT6A expression is upregulated in ovarian cancer and is associated with patient overall survival. Downregulation of KAT6A markedly inhibited the proliferation and migration abilities of ovarian cancer cells in vivo and in vitro. Additionally, the inhibition of KAT6A induced apoptosis and enhanced the sensitivity of ovarian cancer cells to cisplatin. Furthermore, KAT6A bound to and acetylated COP1 at K294. The acetylation of COP1 impaired COP1 function as an E3 ubiquitin ligase and led to the accumulation and enhanced activity of β-catenin. Conclusions: Our findings suggest that the KAT6A/COP1/β-catenin signaling axis plays a critical role in ovarian cancer progression and that targeting the KAT6A/COP1/β-catenin signaling axis could be a novel strategy for treating ovarian cancer.
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Affiliation(s)
- Wenxue Liu
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Ren Ji Hospital, Shanghai Cancer Institute, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Zhiyan Zhan
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health, Department of Hematology & Oncology, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
- Department of Clinical Nutrition, Shanghai Children's Medical Center, School of Medicine Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Meiying Zhang
- Department of Obstetrics and Gynecology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Bowen Sun
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Ren Ji Hospital, Shanghai Cancer Institute, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Qiqi Shi
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Ren Ji Hospital, Shanghai Cancer Institute, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Fei Luo
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Ren Ji Hospital, Shanghai Cancer Institute, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Mingda Zhang
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Ren Ji Hospital, Shanghai Cancer Institute, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Weiwei Zhang
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Ren Ji Hospital, Shanghai Cancer Institute, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Yanli Hou
- Department of Radiotherapy, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Xiuying Xiao
- Department of Oncology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Yanxin Li
- Key Laboratory of Pediatric Hematology and Oncology Ministry of Health, Department of Hematology & Oncology, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, 200127, China
| | - Haizhong Feng
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Ren Ji Hospital, Shanghai Cancer Institute, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
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Qi T, Qu Q, Li G, Wang J, Zhu H, Yang Z, Sun Y, Lu Q, Qu J. Function and regulation of the PEA3 subfamily of ETS transcription factors in cancer. Am J Cancer Res 2020; 10:3083-3105. [PMID: 33163259 PMCID: PMC7642666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 09/17/2020] [Indexed: 06/11/2023] Open
Abstract
The PEA3 subfamily is a subgroup of the E26 transformation-specific (ETS) family. Its members, ETV1, ETV4, and ETV5, have been found to be overexpressed in multiple cancers. The deregulation of ETV1, ETV4, and ETV5 induces cell growth, invasion, and migration in various tumor cells, leading to tumor progression, metastasis, and drug resistance. Therefore, exploring drugs or therapeutic targets that target the PEA3 subfamily may contribute to the clinical treatment of tumor patients. In this review, we introduce the structures and functions of the PEA3 subfamily members, systematically review their main roles in various tumor cells, analyze their prognostic and diagnostic value, and, finally, introduce several molecular targets and therapeutic drugs targeting ETV1, ETV4, and ETV5. We conclude that targeting a series of upstream regulators and downstream target genes of the PEA3 subfamily may be an effective strategy for the treatment of ETV1/ETV4/ETV5-overexpressing tumors.
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Affiliation(s)
- Tingting Qi
- Department of Pharmacy, The Second Xiangya Hospital, Central South UniversityChangsha 410011, PR China
- Institute of Clinical Pharmacy, Central South UniversityChangsha 410011, PR China
| | - Qiang Qu
- Department of Pharmacy, Xiangya Hospital, Central South UniversityChangsha 410007, PR China
| | - Guohua Li
- Department of Pharmacy, The Second Xiangya Hospital, Central South UniversityChangsha 410011, PR China
- Institute of Clinical Pharmacy, Central South UniversityChangsha 410011, PR China
| | - Jiaojiao Wang
- Department of Pharmacy, The Second Xiangya Hospital, Central South UniversityChangsha 410011, PR China
- Institute of Clinical Pharmacy, Central South UniversityChangsha 410011, PR China
| | - Haihong Zhu
- Department of Pharmacy, The Second Xiangya Hospital, Central South UniversityChangsha 410011, PR China
- Institute of Clinical Pharmacy, Central South UniversityChangsha 410011, PR China
| | - Zhi Yang
- Department of General Surgery, Xiangya Hospital, Central South UniversityChangsha 410007, PR China
| | - Yuesheng Sun
- Department of General Surgery, The Third Clinical College of Wenzhou Medical University, Wenzhou People’s HospitalWenzhou 325000, PR China
| | - Qiong Lu
- Department of Pharmacy, The Second Xiangya Hospital, Central South UniversityChangsha 410011, PR China
- Institute of Clinical Pharmacy, Central South UniversityChangsha 410011, PR China
| | - Jian Qu
- Department of Pharmacy, The Second Xiangya Hospital, Central South UniversityChangsha 410011, PR China
- Institute of Clinical Pharmacy, Central South UniversityChangsha 410011, PR China
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14
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Capicua in Human Cancer. Trends Cancer 2020; 7:77-86. [PMID: 32978089 DOI: 10.1016/j.trecan.2020.08.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/27/2020] [Accepted: 08/28/2020] [Indexed: 12/11/2022]
Abstract
Capicua (CIC) is a highly conserved transcriptional repressor that is differentially regulated through mitogen-activated protein kinase (MAPK) signaling or genetic alteration across human cancer. CIC contributes to tumor progression and metastasis through direct transcriptional control of effector target genes. Recent findings indicate that CIC dysregulation is mechanistically linked and restricted to specific cancer subtypes, yet convergence on key downstream transcriptional nodes are critical for CIC-regulated oncogenesis across these cancers. In this review, we focus on how differential regulation of CIC through functional and genetic mechanisms contributes to subtype-specific cancer phenotypes and we propose new therapeutic strategies to effectively target CIC-altered cancers.
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Sakamaki K, Funasaka K, Miyahara R, Furukawa K, Yamamura T, Ohno E, Nakamura M, Kawashima H, Hirooka Y, Fujishiro M, Goto H. Low ETV1 mRNA expression is associated with recurrence in gastrointestinal stromal tumors. Sci Rep 2020; 10:14767. [PMID: 32901065 PMCID: PMC7478956 DOI: 10.1038/s41598-020-71719-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 07/22/2020] [Indexed: 12/28/2022] Open
Abstract
Although the majority of gastrointestinal stromal tumors (GISTs) possess KIT mutations that induce constitutive signal transduction, the clinical outcomes are variable. The ETS translocation variant 1 (ETV1) gene encodes a transcription factor that is reported to cooperate with KIT in GISTs. However, the clinical role of ETV1 is largely unknown. The aim of this study was to examine ETV1 expression and its associations with clinical features in GISTs. We conducted a cohort study involving 64 patients with GISTs who underwent surgical resection between October 2008 and February 2015. ETV1 mRNA expression was compared with that in non-GISTs and was analyzed among risk classifications or clinical outcomes. The GIST samples exhibited significantly higher ETV1 mRNA expression than the non-GIST samples (P < 0.0001). Sixty-four GISTs were stratified into high or low ETV1 mRNA expression groups based on the median relative abundance of ETV1 mRNA. The multivariate analysis showed that low ETV1 expression, as well as tumor size and mitotic index, was an independent factor of recurrence (hazard ratio: 8.1). Patients with high ETV1 expression achieved significantly longer recurrence-free survival (RFS) times than those with low ETV1 expression (P = 0.025). Our study revealed that low ETV1 expression is an independent factor of recurrence after surgery in patients with GISTs, and thus, low ETV1 expression might be a marker of more aggressive malignant GISTs.
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Affiliation(s)
- Keiichi Sakamaki
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Kohei Funasaka
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan. .,Department of Gastroenterology, Fujita Health University School of Medicine, 1-98 Kutsukake-cho, Toyoake, Aichi, 470-1192, Japan.
| | - Ryoji Miyahara
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Kazuhiro Furukawa
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Takeshi Yamamura
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Eizaburo Ohno
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Masanao Nakamura
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Hiroki Kawashima
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Yoshiki Hirooka
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Mitsuhiro Fujishiro
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Hidemi Goto
- Department of Gastroenterology and Hepatology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
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Bai F, Zhang N, Fang W, He X, Zheng Y, Gu D. PCAT6 mediates cellular biological functions in gastrointestinal stromal tumor via upregulation of PRDX5 and activation of Wnt pathway. Mol Carcinog 2020; 59:661-669. [PMID: 32339330 DOI: 10.1002/mc.23199] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 04/02/2020] [Accepted: 04/04/2020] [Indexed: 12/11/2022]
Abstract
Gastrointestinal stromal tumor (GIST) is a common mesenchymal tumor in the gastrointestinal tract. Prostate cancer associated transcript 6 (PCAT6) is a long noncoding RNA (lncRNA) and plays a pivotal role in tumor formation. Present study was designed to explore the function of PCAT6 in GIST. Ki67 staining, colony formation and trypan blue staining assays revealed that PCAT6 boosted GIST cell proliferation but inhibited cell apoptosis. Also, sphere formation assay and Western blot uncovered the promoting role of PCAT6 in GIST stemness. Then, we identified that PCAT6 could activate Wnt/β-catenin pathway. And the tumor facilitator role of Wnt/β-catenin pathway was validated in the rescue assays. Next, miR-143-3p was identified as the downstream microRNA of PCAT6. Moreover, miR-143-3p itself served as a tumor suppressor in GIST. Subsequently, peroxiredoxin 5 (PRDX5) was verified as the target of miR-143-3p. PCAT6 promoted GIST cell proliferation and stemness via sponging miR-143-3p to upregulate PRDX5. In a word, PCAT6 promoted GIST cell proliferation and stemness but inhibited cell apoptosis via competing endogenous RNA pattern and activation of Wnt pathway, which might contribute to GIST treatment.
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Affiliation(s)
- Fangyun Bai
- Special Needs Second Word, Generory Hospital of NingXia Medical University, Xingqing District, Yinchuan, Ningxia, China
| | - Na Zhang
- Department of Health Nutrition, General Hospital of NingXia Medical University, Xingqing District, Yinchuan, Ningxia, China
| | - Wei Fang
- Department of Pathology, Huzhou Central Hospital, Affiliated Central Hospital Huzhou University, Wuxing District, Huzhou, Zhejiang, China
| | - Xiangyi He
- Department of Pathology, Huzhou Central Hospital, Affiliated Central Hospital Huzhou University, Wuxing District, Huzhou, Zhejiang, China
| | - Yan Zheng
- Department of Pathology, Huzhou Central Hospital, Affiliated Central Hospital Huzhou University, Wuxing District, Huzhou, Zhejiang, China
| | - Donghua Gu
- Department of Pathology, Suzhou Science and Technology Town Hospital, Huqiu District, Suzhou, Jiangsu, China
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Lee JS, Kim E, Lee J, Kim D, Kim H, Kim CJ, Kim S, Jeong D, Lee Y. Capicua suppresses colorectal cancer progression via repression of ETV4 expression. Cancer Cell Int 2020; 20:42. [PMID: 32042269 PMCID: PMC7003492 DOI: 10.1186/s12935-020-1111-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 01/17/2020] [Indexed: 02/08/2023] Open
Abstract
Background Although major driver gene mutations have been identified, the complex molecular heterogeneity of colorectal cancer (CRC) remains unclear. Capicua (CIC) functions as a tumor suppressor in various types of cancers; however, its role in CRC progression has not been examined. Methods Databases for gene expression profile in CRC patient samples were used to evaluate the association of the levels of CIC and Polyoma enhancer activator 3 (PEA3) group genes (ETS translocation variant 1 (ETV1), ETV4, and ETV5), the best-characterized CIC targets in terms of CIC functions, with clinicopathological features of CRC. CIC and ETV4 protein levels were also examined in CRC patient tissue samples. Gain- and loss-of function experiments in cell lines and mouse xenograft models were performed to investigate regulatory functions of CIC and ETV4 in CRC cell growth and invasion. qRT-PCR and western blot analyses were performed to verify the CIC regulation of ETV4 expression in CRC cells. Rescue experiments were conducted using siRNA against ETV4 and CIC-deficient CRC cell lines. Results CIC expression was decreased in the tissue samples of CRC patients. Cell invasion, migration, and proliferation were enhanced in CIC-deficient CRC cells and suppressed in CIC-overexpressing cells. Among PEA3 group genes, ETV4 levels were most dramatically upregulated and inversely correlated with the CIC levels in CRC patient samples. Furthermore, derepression of ETV4 was more prominent in CIC-deficient CRC cells, when compared with that observed for ETV1 and ETV5. The enhanced cell proliferative and invasive capabilities in CIC-deficient CRC cells were completely recovered by knockdown of ETV4. Conclusion Collectively, the CIC-ETV4 axis is not only a key module that controls CRC progression but also a novel therapeutic and/or diagnostic target for CRC.
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Affiliation(s)
- Jeon-Soo Lee
- 1Department of Life Sciences, Pohang University of Science and Technology, Pohang, Gyeongbuk Republic of Korea
| | - Eunjeong Kim
- 1Department of Life Sciences, Pohang University of Science and Technology, Pohang, Gyeongbuk Republic of Korea
| | - Jongeun Lee
- 1Department of Life Sciences, Pohang University of Science and Technology, Pohang, Gyeongbuk Republic of Korea
| | - Donghyo Kim
- 1Department of Life Sciences, Pohang University of Science and Technology, Pohang, Gyeongbuk Republic of Korea
| | - Hyeongjoo Kim
- 3Soonchunhyang Medical Science Research Institute, Soonchunhyang University, Cheonan, Chungnam Republic of Korea
| | - Chang-Jin Kim
- 4Department of Pathology, College of Medicine, Soonchunhyang University, Room 601, 31 Soonchunhyang 6gil, Dongnam-gu, Cheonan, Chungnam 31151 Republic of Korea
| | - Sanguk Kim
- 1Department of Life Sciences, Pohang University of Science and Technology, Pohang, Gyeongbuk Republic of Korea.,2Division of Integrative Bioscience and Biotechnology, Pohang University of Science and Technology, Pohang, Gyeongbuk Republic of Korea
| | - Dongjun Jeong
- 3Soonchunhyang Medical Science Research Institute, Soonchunhyang University, Cheonan, Chungnam Republic of Korea.,4Department of Pathology, College of Medicine, Soonchunhyang University, Room 601, 31 Soonchunhyang 6gil, Dongnam-gu, Cheonan, Chungnam 31151 Republic of Korea
| | - Yoontae Lee
- 1Department of Life Sciences, Pohang University of Science and Technology, Pohang, Gyeongbuk Republic of Korea.,2Division of Integrative Bioscience and Biotechnology, Pohang University of Science and Technology, Pohang, Gyeongbuk Republic of Korea.,POSTECH Biotech Center, Room 388, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk 37673 Republic of Korea
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18
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Song Y, Liu Y, Pan S, Xie S, Wang ZW, Zhu X. Role of the COP1 protein in cancer development and therapy. Semin Cancer Biol 2020; 67:43-52. [PMID: 32027978 DOI: 10.1016/j.semcancer.2020.02.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 01/29/2020] [Accepted: 02/01/2020] [Indexed: 12/31/2022]
Abstract
COP1, an E3 ubiquitin ligase, has been demonstrated to play a vital role in the regulation of cell proliferation, apoptosis and DNA repair. Accumulated evidence has revealed that COP1 is involved in carcinogenesis via targeting its substrates, including p53, c-Jun, ETS, β-catenin, STAT3, MTA1, p27, 14-3-3σ, and C/EBPα, for ubiquitination and degradation. COP1 can play tumor suppressive and oncogenic roles in human malignancies, urging us to summarize the functions of COP1 in tumorigenesis. In this review, we describe the structure of COP1 and its known substrates. Moreover, we dissect the function of COP1 by physiological (mouse models), pathological (human tumor specimens) and biochemical (ubiquitin substrates) Evidence. Furthermore, we discuss COP1 as a potential therapeutic target for cancer therapy.
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Affiliation(s)
- Yizuo Song
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China
| | - Yi Liu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China
| | - Shuya Pan
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China
| | - Shangdan Xie
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China
| | - Zhi-Wei Wang
- Center of Scientific Research, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China; Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
| | - Xueqiong Zhu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China.
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19
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Ahsen ME, Chun Y, Grishin A, Grishina G, Stolovitzky G, Pandey G, Bunyavanich S. NeTFactor, a framework for identifying transcriptional regulators of gene expression-based biomarkers. Sci Rep 2019; 9:12970. [PMID: 31506535 PMCID: PMC6737052 DOI: 10.1038/s41598-019-49498-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Accepted: 08/27/2019] [Indexed: 12/21/2022] Open
Abstract
Biological and regulatory mechanisms underlying many multi-gene expression-based disease biomarkers are often not readily evident. We describe an innovative framework, NeTFactor, that combines network analyses with gene expression data to identify transcription factors (TFs) that significantly and maximally regulate such a biomarker. NeTFactor uses a computationally-inferred context-specific gene regulatory network and applies topological, statistical, and optimization methods to identify regulator TFs. Application of NeTFactor to a multi-gene expression-based asthma biomarker identified ETS translocation variant 4 (ETV4) and peroxisome proliferator-activated receptor gamma (PPARG) as the biomarker's most significant TF regulators. siRNA-based knock down of these TFs in an airway epithelial cell line model demonstrated significant reduction of cytokine expression relevant to asthma, validating NeTFactor's top-scoring findings. While PPARG has been associated with airway inflammation, ETV4 has not yet been implicated in asthma, thus indicating the possibility of novel, disease-relevant discovery by NeTFactor. We also show that NeTFactor's results are robust when the gene regulatory network and biomarker are derived from independent data. Additionally, our application of NeTFactor to a different disease biomarker identified TF regulators of interest. These results illustrate that the application of NeTFactor to multi-gene expression-based biomarkers could yield valuable insights into regulatory mechanisms and biological processes underlying disease.
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Affiliation(s)
- Mehmet Eren Ahsen
- Icahn Institute for Genomics and Multiscale Biology and Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Yoojin Chun
- Icahn Institute for Genomics and Multiscale Biology and Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Alexander Grishin
- Division of Allergy & Immunology, Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Galina Grishina
- Division of Allergy & Immunology, Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Gustavo Stolovitzky
- Icahn Institute for Genomics and Multiscale Biology and Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- IBM T.J. Watson Research Center, Yorktown Heights, New York, NY, USA
| | - Gaurav Pandey
- Icahn Institute for Genomics and Multiscale Biology and Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Supinda Bunyavanich
- Icahn Institute for Genomics and Multiscale Biology and Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Division of Allergy & Immunology, Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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20
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Wang M, Ni B, Zhuang C, Zhao WY, Tu L, Ma XL, Yang LX, Zhang ZG, Cao H. Aberrant accumulation of Dickkopf 4 promotes tumor progression via forming the immune suppressive microenvironment in gastrointestinal stromal tumor. Cancer Med 2019; 8:5352-5366. [PMID: 31353847 PMCID: PMC6718536 DOI: 10.1002/cam4.2437] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 06/19/2019] [Accepted: 07/11/2019] [Indexed: 12/20/2022] Open
Abstract
Background Drug resistance and tumor recurrence are the major concerns in clinical practices of gastrointestinal stromal tumor (GIST), with the urgent requirement for exploring undiscovered pathways driving malignancy. To deal with these, recent studies have made many efforts to explore prognosis indicators and establish potential therapeutic targets. Methods Expression profiles of different risks of GISTs were described and abundant clinical evidences supported our findings in this study. Following exploration in vitro by cell experiments and verification in vivo using tumor microarray were taken to elucidate the underlying mechanism, which drove the malignancy in GIST. Results Dickkopf 4 (DKK4), as the canonical Wnt pathway antagonist, was unexpectedly and universally upregulated in high‐risk GISTs, and aberrant accumulation of DKK4 was closely correlated with poor prognosis. In addition, tumor‐derived DKK4 could decrease immune cells infiltration and activation in the tumor microenvironment, which decreased the antitumor effects in return. And this phenomenon was recurrent in human tumor specimens. Conclusions Our findings identified DKK4 as a proper tumor biomarker for prognosis predicting and recurrence monitoring, and suggested a novel immune‐escape mechanism driving malignancy in GIST, which might be a potential therapeutic target to improve the effects of canonical RTK therapy and combined immunotherapy.
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Affiliation(s)
- Ming Wang
- Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Bo Ni
- Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Chun Zhuang
- Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Wen-Yi Zhao
- Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Lin Tu
- Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Xin-Li Ma
- Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Lin-Xi Yang
- Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Zhi-Gang Zhang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hui Cao
- Department of Gastrointestinal Surgery, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
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21
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Vitiello GA, Bowler TG, Liu M, Medina BD, Zhang JQ, Param NJ, Loo JK, Goldfeder RL, Chibon F, Rossi F, Zeng S, DeMatteo RP. Differential immune profiles distinguish the mutational subtypes of gastrointestinal stromal tumor. J Clin Invest 2019; 129:1863-1877. [PMID: 30762585 PMCID: PMC6486334 DOI: 10.1172/jci124108] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Gastrointestinal stromal tumor (GIST) is the most common human sarcoma, frequently characterized by an oncogenic mutation in the KIT or platelet-derived growth factor receptor alpha (PDGFRA) genes. We performed RNA sequencing of 75 human GIST tumors from 75 patients, comprising the largest cohort of GISTs sequenced to date, in order to discover differences in the immune infiltrates of KIT and PDGFRA-mutant GIST. Through bioinformatics, immunohistochemistry, and flow cytometry, we found that PDGFRA-mutant GISTs harbored more immune cells with increased cytolytic activity when compared to KIT-mutant GISTs. PDGFRA-mutant GISTs expressed many chemokines, such as CXCL14, at a significantly higher level when compared to KIT-mutant GISTs and exhibited more diverse driver-derived neoepitope:HLA binding, both of which may contribute to PDGFRA-mutant GIST immunogenicity. Through machine learning, we generated gene expression-based immune profiles capable of differentiating KIT and PDGFRA-mutant GISTs, and also identified additional immune features of high PD-1 and PD-L1 expressing tumors across all GIST mutational subtypes, which may provide insight into immunotherapeutic opportunities and limitations in GIST.
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Affiliation(s)
| | - Timothy G. Bowler
- Department of Medicine, Memorial Sloan Kettering Cancer Center (MSKCC), New York, New York, USA
| | - Mengyuan Liu
- Department of Surgery and
- Department of Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | | | | | - Nesteene J. Param
- Department of Surgery and
- Department of Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | | | - Rachel L. Goldfeder
- Genome Technologies, The Jackson Laboratory for Genomic Medicine, Farmington, Connecticut, USA
| | - Frederic Chibon
- INSERM U1037, Cancer Research Center of Toulouse, Toulouse, France
| | - Ferdinand Rossi
- Department of Surgery and
- Department of Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | | | - Ronald P. DeMatteo
- Department of Surgery and
- Department of Surgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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22
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Deshmukh SK, Singh AP, Singh S. ETV4: an emerging target in pancreatic cancer. Oncoscience 2018; 5:260-261. [PMID: 30460327 PMCID: PMC6231443 DOI: 10.18632/oncoscience.471] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Accepted: 06/01/2018] [Indexed: 12/04/2022] Open
Affiliation(s)
| | - Ajay P Singh
- Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604-1405, USA
| | - Seema Singh
- Mitchell Cancer Institute, University of South Alabama, Mobile, AL 36604-1405, USA
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23
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Eskandari E, Mahjoubi F, Motalebzadeh J. An integrated study on TFs and miRNAs in colorectal cancer metastasis and evaluation of three co-regulated candidate genes as prognostic markers. Gene 2018; 679:150-159. [PMID: 30193961 DOI: 10.1016/j.gene.2018.09.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 08/06/2018] [Accepted: 09/03/2018] [Indexed: 01/20/2023]
Abstract
Molecular alterations that occur in cancer have the potential to be considered as either cancer biomarkers or targeted therapies or even both. In the presented study, we aimed to elucidate the gene regulatory network of metastatic colorectal cancer using data acquired from microarrays to reach the most common DEGs in colorectal cancer metastasis and find their possible regulatory mechanism by DETFs and DEmiRs. In this regards, seven microarray datasets were employed to assess the most important DEGs, DETFs and DEmiRs in colorectal cancer metastasis. Afterward, GRN based on DETFs and DEmiRs were constructed. Also ARACNE algorithm was used to construct an accurate GRN. GRN was analyzed structurally and then, two DETFs (LEF1 and ETV4) and a less-well known DEG (FABP6) by real time qRT-PCR in 50 patients with colorectal cancer were quantified. The constructed GRN highlighted the importance of some DETFs and DEmiRs in colorectal cancer metastasis. Interestingly the gene expression analysis by qRT-PCR on three candidate genes (LEF1, ETV4 and FABP6) indicated that the three genes were co-expressed in tumor samples, and were significantly associated with metastasis in colorectal cancer. Therefore, our experimental results proved a part of our comprehensive data analysis and system biology results. In summary, according to our empirical study we found the importance of three candidate genes as the potent prognostic factors in colorectal cancer metastasis. Also our study in a holistic insight on gene regulatory mechanism revealed the importance of some gene regulatory factors (DETFs and DEmiRs) and their potential as prognostic factors and/or targets in molecular targeted therapies in colorectal cancer.
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Affiliation(s)
- Elaheh Eskandari
- Department of Clinical Genetics, Institute of Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Frouzandeh Mahjoubi
- Department of Clinical Genetics, Institute of Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Jamshid Motalebzadeh
- Department of Clinical Genetics, Institute of Medical Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran.
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